3 years ago

Someone answer this please

Mathematics

1 answer:

bija089 [108]3 years ago

8 0

Answer:

the answer would be A

Step-by-step explanation:

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Express 630 grams as a percentage of 1 kilogram

zubka84 [21]

63%

To express as a percentage divide 630 g by 1 Kg and multiply by 100%

note that 1 Kg = 1000 g ( units must be the same)

$\frac{630}{1000}$ × 100% = 63%

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4 years ago

What would 1469.52 be rounded to?

denis23 [38]

1470 because 0.52 is close to the whole

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3 years ago

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Find the circumference and area of a circle with a radius of 5 feet.

iVinArrow [24]

Circumference = 2(pi)r

Area = (pi)r^2

r = 5

5 * 2 = 10

Circumference = 10π

5 * 5 = 25

Area = 25π

Using 3.14 as pi substitute:

5 * 3.14 = 15.7

15.7 * 2 = 31.4

Circumference = 31.4

5 * 5 = 25

25 * 3.14 = 78.5

Area = 78.5

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3 years ago

Let x and y be inversely related. if x is 5 when y is 6, find y when x is 3

VLD [36.1K]

Answer:

when its to the left

Step-by-step explanation:

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3 years ago

Find x. 300 043 00. 083 08 00 02 V3

____ [38]

Answer:

Therefore the value of x is 8 unit.

Step-by-step explanation:

Given:

In Right Angle Triangle ABC

angle B = 90°

angle C = 30°

AB = 4

To Find:

AC = Hypotenuse = ?

Solution:

In Right Angle Triangle ABC Sine Identity we have

$\sin C = \frac{\textrm{side opposite to angle C}}{Hypotenuse}\\$

Substituting the given values we get

$\sin 30 = \frac{AB}{AC}$

$\dfrac{1}{2} =\dfrac{4}{x}\\\\\therefore x=4\times 2=8\\\\\therefore x =8$

Therefore the value of x is 8 unit.

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3 years ago